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ASME Fatigue Curve E-N curve for Inconel 600 material

ASME Fatigue Curve E-N curve for Inconel 600 material

ASME Fatigue Curve E-N curve for Inconel 600 material

(OP)
HI,

I am looking for E-N curve (strain range vs no. of cycles) fatigue curve for the material Inconel 600 (Nickel based alloy).

There is a cyclic thermal load (5 cycles of thermal loading and unloading) and I am going to calculate the no. of cycles which the component can withstand with respect to plastic strain intensity range developed in the material over this cyclic load.

Cannot find it in ASME, the E-N curve. Can anybody provide me the link or internet resource where I can find it?

Tried many sites but could not get the correct curve.

Thanks,
Shiraz

RE: ASME Fatigue Curve E-N curve for Inconel 600 material

(OP)
Thanks rick,

I went through the links and resources but I could not find the range of strain vs no of cycles.

I mean there are curves for strain vs no of cycles but I am trying to find the range of plastic strain in the material due to thermal cyclic loads and then arrive at the no. of cycles the component can withstand within that plastic intensity range/strain range.

Thanks,
Shiraz

RE: ASME Fatigue Curve E-N curve for Inconel 600 material

Figure 4 in Sannazzaro, Figure 23 in Keisler? At very low cycle counts, those plots are showing strain values that are well over yield, and plastic strain + Sy/E would equal total strain. You should be able to approximate the plastic strain by subtracting the elastic strain from those curves.

Rick Fischer
Principal Engineer
Argonne National Laboratory

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